Double-Sided PCB Board - SODIAL(R) 3Pcs Double Side Protoboard Prototype Printed Circuit Board 8cm x 12cm Product Name : Double-Sided PCB Board Hole Dia.(Each) : 1mm; Hole Pitch : 2.54mm Total Size : 8 x 12cm/ 3.1" x 4.7"(W*L) Mounting Hole Dia. : 2mm/0.08" Thickness : 1.6mm